\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}(x)(z)
Px \supset (y) 
\frac
{\sqrt{(Ky \wedge Qz)\mu \vee Bwzz}} \swarrow (Rx \wedge Rz) \wedge (y)}
{2}

\end{equation*}
\end{document}
